131154532 has 12 divisors (see below), whose sum is σ = 230675200. Its totient is φ = 65247336.

The previous prime is 131154509. The next prime is 131154557. The reversal of 131154532 is 235451131.

It is a happy number.

It is a super-2 number, since 2×131154532² = 34403022528278048, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 131154497 and 131154506.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 81588 + ... + 83179.

Almost surely, 2^131154532 is an apocalyptic number.

It is an amenable number.

131154532 is a deficient number, since it is larger than the sum of its proper divisors (99520668).

131154532 is a wasteful number, since it uses less digits than its factorization.

131154532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 164970 (or 164968 counting only the distinct ones).

The product of its digits is 1800, while the sum is 25.

The square root of 131154532 is about 11452.2719143408. The cubic root of 131154532 is about 508.0749315967.

The spelling of 131154532 in words is "one hundred thirty-one million, one hundred fifty-four thousand, five hundred thirty-two".